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o3de/Gems/Atom/Feature/Common/Assets/Shaders/PostProcessing/LuminanceHistogramCommon.azsli
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2021-03-08 14:30:57 -08:00

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/*
* All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
* its licensors.
*
* For complete copyright and license terms please see the LICENSE at the root of this
* distribution (the "License"). All use of this software is governed by the License,
* or, if provided, by the license below or the license accompanying this file. Do not
* remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
*
*/
// This should match the value in LuminanceHistogramGeneratorPass.cpp
#define NUM_HISTOGRAM_BINS 128
// Returns the exposure-value range used by the luminance heatmap/histogram
float2 GetEvDisplayRangeMinMax()
{
// [GFX TODO][ATOM-13226] - query Jonny G. to ask how he likes a hardcoded system or if he wants
// it coming from the Editor (or maybe even computed automatically from scene min/max)
return float2(-8, 16);
}